Fig. 6From: Assessment of Verbesina alternifolia and Mentha piperita oil extracts on Clinostomum phalacrocoracis metacercariae from Tilapia zilliia–c Histological section of clinostomum spp. In untreated control group showing normal intact internal structures. d–f In treated control group showing degeneration and edema of the internal structures of metacercariaBack to article page